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. Author manuscript; available in PMC: 2014 Dec 10.
Published in final edited form as: J Control Release. 2012 Apr 21;162(1):119–126. doi: 10.1016/j.jconrel.2012.04.022

Table 2.

Summary of stabilizing effect of excipients on the three peptides

Formulation# Peptide CMCS added Salt added % native peptide
3 day 7 day 14 day 21 day 28 day
1 Oct 92.7± 0.5 88.1 ± 0.3 80.8 ± 0.4 76.3 ± 0.4
2 Oct + 94.0 ± 0.6 90.2 ± 0.4 86 ± 2 77 ± 2
3 Oct CaCl2 97.7 ± 0.2 94.5 ± 0.2 91.0 ± 0.7 85.2 ± 0.9
4 Oct MnCl2 97.7 ± 0.1 95.4 ± 0.5 91.1 ± 0.6 85.9 ± 0.5
5 Oct + CaCl2 97.4 ± 0.4 95.9 ± 0.4 92.8 ± 0.1 89.2 ± 0.4
6 Oct + MnCl2 98.1 ± 0.2 96.7 ± 0.6 94.0 ± 0.7 90.1 ± 0.4
7 sCT 93.5 ± 0.9 91 ± 3 84 ± 3 83 ± 7
8 sCT + 100.0 ± 0.1 92 ± 3 88 ± 6 83.8 ± 0.8
9 sCT CaCl2 99.9 ± 0.2 94.3 ± 0.3 85 ± 2 87 ± 6
10 sCT MnCl2 97 ± 1 94 ± 3 86 ± 2 88 ± 4
11 sCT + CaCl2 100.0 ± 0.1 100.0 ± 0.1 99.7 ± 0.5 98 ± 2
12 sCT + MnCl2 99.3 ± 0.9 99 ± 2 99 ± 2 98.3 ± 0.3
13 hPTH 77 ± 2 68 ± 2 56 ± 3 46.1 ± 0.8
14 hPTH + 83 ± 2 71.7 ± 0.5 58.2 ± 0.7 50 ± 3
15 hPTH CaCl2 90 ± 3 88 ± 3 76 ± 2 62 ± 4
16 hPTH MnCl2 95.2 ± 0.6 92 ± 2 89 ± 3 84 ± 2
17 hPTH + CaCl2 93.7 ± 0.8 88.3 ± 0.8 73 ± 2 69 ± 3
18 hPTH + MnCl2 94.9±0.7 90.5 ± 0.5 72 ± 2 61 ± 4